247998640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{677}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 610362720

約数和(自身を除く): 362364080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 241, 304, 380, 482, 677, 760, 964, 1205, 1354, 1520, 1928, 2410, 2708, 3385, 3856, 4579, 4820, 5416, 6770, 9158, 9640, 10832, 12863, 13540, 18316, 19280, 22895, 25726, 27080, 36632, 45790, 51452, 54160, 64315, 73264, 91580, 102904, 128630, 163157, 183160, 205808, 257260, 326314, 366320, 514520, 652628, 815785, 1029040, 1305256, 1631570, 2610512, 3099983, 3263140, 6199966, 6526280, 12399932, 13052560, 15499915, 24799864, 30999830, 49599728, 61999660, 123999320, 247998640]

約数ペア:

[(1, 247998640), (2, 123999320), (4, 61999660), (5, 49599728), (8, 30999830), (10, 24799864), (16, 15499915), (19, 13052560), (20, 12399932), (38, 6526280), (40, 6199966), (76, 3263140), (80, 3099983), (95, 2610512), (152, 1631570), (190, 1305256), (241, 1029040), (304, 815785), (380, 652628), (482, 514520), (677, 366320), (760, 326314), (964, 257260), (1205, 205808), (1354, 183160), (1520, 163157), (1928, 128630), (2410, 102904), (2708, 91580), (3385, 73264), (3856, 64315), (4579, 54160), (4820, 51452), (5416, 45790), (6770, 36632), (9158, 27080), (9640, 25726), (10832, 22895), (12863, 19280), (13540, 18316)]